53365240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21871}}^1$

素因数の和:21943

約数の個数: 32

約数和(自身を含む): 122045760

約数和(自身を除く): 68680520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 21871, 43742, 87484, 109355, 174968, 218710, 437420, 874840, 1334131, 2668262, 5336524, 6670655, 10673048, 13341310, 26682620, 53365240]

約数ペア:

[(1, 53365240), (2, 26682620), (4, 13341310), (5, 10673048), (8, 6670655), (10, 5336524), (20, 2668262), (40, 1334131), (61, 874840), (122, 437420), (244, 218710), (305, 174968), (488, 109355), (610, 87484), (1220, 43742), (2440, 21871)]